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THE BURREN, IRELAND - MAY 19: Prince Charles, Prince of Wales is given a talk on farming by local farmer Pat Nagle with Brendan Dunford (R) during his visit to The Burren, an ancient and dramatic stony outcrop famed for its rare plant life, biodiversity and archaeology, on the first day of his Royal visit to the Republic of Ireland on May 19, 2015 in County Clare, Ireland. The Prince of Wales and Duchess of Cornwall arrived in Ireland today for their four day visit to the Republic and Northern Ireland, the visit has been described by the British Embassy as another important step in promoting peace and reconciliation. (Photo by John Stillwell - WPA Pool/Getty Images)

THE BURREN, IRELAND - MAY 19:  Prince Charles, Prince of Wales is given a talk on farming by local farmer Pat Nagle with Brendan Dunford (R) during his visit to The Burren, an ancient and dramatic stony outcrop famed for its rare plant life, biodiversity and archaeology, on the first day of his Royal visit to the Republic of Ireland on May 19, 2015 in County Clare, Ireland. The Prince of Wales and Duchess of Cornwall arrived in Ireland today for their four day visit to the Republic and Northern Ireland, the visit has been described by the British Embassy as another important step in promoting peace and reconciliation. (Photo by John Stillwell - WPA Pool/Getty Images)